Envoy ACP/XF Application Programming Manual

System Procedure Call Specifics for EnvoyACP/XF
EnvoyACP/XF Application Programming Manual–132179
4-7
Station List Format
station-list input
INT:ref
is the name of an integer array that you supply; station-list contains one or
more station addresses.
entry-size input
INT:value
is the name of an integer variable that you supply; the variable specifies the size, in
words, of an entry in the station-list array. Note that the entry size varies somewhat
from one protocol to another.
num-entries input
INT:value
is the name of an integer variable that you supply; the variable specifies the total
number of entries in the station list array.
polling-count input
INT:value
is the same value used for num-entries. This variable has no meaning for
EnvoyACP/XF (it is used only with Envoy byte-synchronous protocols).
polling-type input
INT:value
is the name of an integer variable that you supply. For a supervisor station, the
variable specifies the number of times that tributary stations that have addresses in
the station-list array are to be polled when the supervisor station issues a READ[X]
call. For tributary stations, this parameter has no functional effect, but you must
supply a dummy argument.
The parameter value specifies the type of polling, as follows:
Station List Format
The station list within a multipoint supervisor specifies the station addresses of all
tributary stations in the network. The station list within a multipoint tributary specifies
= 0 Continuous
polling
The application is not notified of polling activity.
= 1-127 Noncontinuous
polling
The application is notified by a file-system error after
EnvoyACP/XF has traversed the polling list the
specified number of times.